321925496433 has 16 divisors (see below), whose sum is σ = 432569214720. Its totient is φ = 212953193856.

The previous prime is 321925496407. The next prime is 321925496461. The reversal of 321925496433 is 334694529123.

It is a happy number.

It is not a de Polignac number, because 321925496433 - 2¹⁸ = 321925234289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321921496433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136660 + ... + 813957.

It is an arithmetic number, because the mean of its divisors is an integer number (27035575920).

Almost surely, 2^321925496433 is an apocalyptic number.

It is an amenable number.

321925496433 is a deficient number, since it is larger than the sum of its proper divisors (110643718287).

321925496433 is a wasteful number, since it uses less digits than its factorization.

321925496433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951496.

The product of its digits is 4199040, while the sum is 51.

The spelling of 321925496433 in words is "three hundred twenty-one billion, nine hundred twenty-five million, four hundred ninety-six thousand, four hundred thirty-three".